Flutter Engineer

Required Skills: Advanced Flutter & Dart Expertise, Scalable Mobile Architecture Design, Performance Optimization & Profiling, OTT & Media App Engineering, Code Quality, Leadership & Cross-Functional Collaboration

Criteria:

• 6+ years of total software development experience with minimum 3+ years in Flutter
• Product-based company experience is mandatory (B2C scale preferred)
• Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
• Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
• Hands-on experience with platform channels and native integrations (Android & iOS)
• Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
• Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
• Strong skills in offline-first architecture, caching layers, and API integrations
• Ability to optimize video playback, downloads, DRM, and OTT workflows
• Strong command of clean code, SOLID principles, and scalable mobile system design
• Experience reviewing code and mentoring engineers (Senior IC role)

Description

Role Overview

We are looking for an experienced Flutter SDE III who can take complete ownership of architecture, performance optimization, and app scalability for our OTT mobile applications. This is a senior individual contributor role requiring deep technical expertise and the ability to influence design decisions at a product level.

Key Responsibilities

1. Architecture & Design (High-Impact IC Role)

• Own the end-to-end architecture of company’s Flutter mobile applications.

• Design scalable, modular, testable app ecosystems aligned with OTT-specific performance constraints.

• Lead decisions around state management, navigation hierarchy, API structure, offline capabilities, and security.

2. Performance & Device Optimization

• Diagnose and resolve mobile performance bottlenecks, including:

  o App startup time, FPS drops, memory leaks.

  o Heating issues, over-rendering, and expensive widget rebuilds.

  o Battery optimization, efficient network calls, caching strategy.

• Run in-depth profiling using tools like Dart DevTools, Android Profiler, and Xcode Instruments.

3. OTT-Specific Engineering

• Optimize video playback workflows for low-latency streaming.

• Implement efficient background processes for downloads, DRM, content sync, and push notifications.

4. Product & User Experience Ownership

• Collaborate closely with Product, Backend, and Video Engineering teams.

• Convert business/product requirements into high-performance technical solutions.

• Ensure UI/UX consistency across platforms while maintaining performance budgets.

5. Code Quality & Leadership

• Write clean, extensible, and maintainable code with strong adherence to SOLID and reactive programming principles.

• Review code for mid-level and junior engineers; act as a mentor across teams.

• Establish engineering standards, internal frameworks, and reusable components for long-term scalability.

Required Skills & Experience

Technical Must-Haves

• 6+ years of total experience with 3+ years in Flutter for large-scale products.

• Mandatory product-based company background (B2C scale preferred).

• Strong expertise in:

  o Dart, Flutter SDK internals

  o Bloc, Riverpod, Provider, or other state management approaches

  o Custom animations, rendering pipeline, shader-based optimization

  o Platform channels (Android/iOS) and native integrations

  o API integration, caching layers, offline-first architecture

• Strong understanding of mobile system design, scalable architecture, and low-level performance engineering.

Good to Have

• Experience with video streaming apps, OTT platforms, or media-heavy applications.

• Understanding of analytics frameworks (Firebase, Segment, Mixpanel).

• Exposure to CI/CD pipelines, automated testing, and fastlane.

Personality & Mindset

• Product thinking, not just feature-building.

• Ownership-driven with strong ability to take strategic technical decisions.

• Comfortable working in a fast-paced 0→1 and scale-up environment.

Why Join company?

• Work on a high-growth OTT app with millions of users.

• Opportunity to own the core mobile experience end-to-end.

• Build impact-heavy features at scale with a lean, highly skilled engineering team.

Job Title: React Native Developer

Location: On-site (Uttamnagar, Nawada, Near Nawada Metro Station)

Type: Full-time

Experience: 1–3 years

Must-Have Skills:

• React Native with strong knowledge of JavaScript (ES6+) and TypeScript
• State Management using Redux Toolkit / Context API
• API Integration using Axios and REST APIs
• Firebase (Authentication, Realtime DB, Push Notifications)
• Navigation using React Navigation
• Debugging using Flipper and Chrome DevTools
• Play Store and App Store Deployment
• Version Control using Git & GitHub

Responsibilities:

• Lead the development team and ensure projects are completed smoothly and on schedule.
• Stay ahead of the game by finding and using new technologies to boost the business.
• Work hand in hand with the crore team to figure out their needs and keep our products on point with the market trends.
• Keep our products high quality, scalable and secure.
• Develop and maintain a detailed project plan to track progress and ensure that projects are completed on time and within budget.
• Brainstorm and plan the company's tech strategy with the CTO and other important leaders.
• Keep up to date with the latest tech trends and find new growth opportunities.
• Give the development team technical guidance and be a mentor to them.

Requirements:

• Bachelors or Masters's degree in Computer Science, Software Engineering or a related field.
• 8+ Years of experience leading software development teams with a track record of delivering complex products.
• Technical know-how and experience with the latest software development tech.
• Proven experience in identifying and implementing new technologies to drive business results.
• Experience handling challenges and taking advantage of the opportunities that come with working in a startup environment.
• Ace leadership, communication and teamwork skills.
• Self-starter with loads of drive and a desire to make things happen.
• Understand the Mobile development Landscape, especially Android and IOS.
• Hands-on experience with API-based development.

We are seeking a skilled React Native Developer to join our development team in Noida. As a React Native Developer, you will be responsible for designing, developing, and maintaining high-quality mobile applications using the React Native framework. You will work closely with cross-functional teams to deliver outstanding mobile solutions.

Responsibilities:

• Develop and maintain mobile applications using React Native for iOS and Android platforms.
• Collaborate with designers and backend developers to implement intuitive user interfaces and ensure seamless user experiences.
• Write clean, efficient, and maintainable code, following coding standards and best practices.
• Integrate third-party libraries and APIs to enhance application functionality.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs.
• Stay updated with the latest industry trends, technologies, and best practices in mobile application development.
• Collaborate with backend developers to ensure smooth integration of server-side logic.
• Participate in code reviews and provide constructive feedback to team members.

Requirements:

• 2-5 years of professional experience in mobile application development.
• Strong proficiency in React Native framework and JavaScript.
• Good understanding of mobile app development concepts, including UI/UX design principles and mobile-specific considerations.
• Experience with RESTful APIs and asynchronous programming.
• Familiarity with version control systems, such as Git.
• Knowledge of mobile app performance optimization techniques.
• Strong problem-solving and debugging skills.
• Excellent communication and collaboration abilities.
• Ability to work effectively in a fast-paced and dynamic environment.
• Bachelor's or Master's degree in Computer Science or a related field.

Preferred Skills:

• Have practical experience on deploying an app on "Play store"

Responsibilities:

- Develop and maintain high-quality mobile applications using React Native.

- Collaborate with cross-functional teams to gather requirements and translate them into high-level designs.

- Write clean, reusable, and well-structured code following industry best practices and coding standards.

- Conduct code reviews and provide constructive feedback to ensure code quality and adherence to standards.

- Mentor and guide junior developers, providing technical expertise and promoting professional growth.

- Collaborate with backend developers to integrate APIs and ensure smooth data flow between the app and server.

- Stay updated with the latest trends and advancements in React Native and mobile app development.

- Work in a 10 AM to 6 PM, six-day office role, maintaining regular attendance and punctuality.

Required Skills and Qualifications:

- Strong proficiency in React Native development.

- Experience with Redux or similar state management libraries.

- Proficiency in integrating APIs and working with backend services.

- Sound knowledge of JavaScript, ES6+, and modern web technologies.

- Familiarity with Git version control system and agile development methodologies.

- Good problem-solving and debugging skills.

- Excellent communication and teamwork abilities.

- Bachelor's degree in Computer Science or a related field (preferred).

Join Arroz Technology Private Limited as a React Native App Developer and be part of an innovative team driving the development of cutting-edge mobile applications. This role offers competitive compensation and growth opportunities within a dynamic work environment.

• Solution design documentation, development ownership, mentoring and driving the most comprehensive trade terminal for our super users for the iOS Mobile platform
• Ensuring the team adhere to the best industry technical practices and meet the business objective
• Ensuring responsiveness of the application
• Monitor reliability and performance metrics of the system to provide an impeccable experience to the user
• Co-ordinate with developers, testers and keeps the product manager well informed of the status of the development effort to senior managers
• Mentoring of the team
• Code review of team members and code quality ownership
• Collaborate with team, cross-functional teams to define and design new features
• Work with data sources, APIs, 3rd party SDKs
• Unit-test code for robustness, including edge cases, usability and general reliability
• Work on bug identification and fixing
• Troubleshooting and triage of field issues
• Improving application performance
• App management and monitoring on iTunes
• Produce high-quality code and experience with security implementation
• identifying risks implementing security patches procedures
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Keep abreast of new trends and best practices in mobile development

• B.E., B.Tech., M.C.A. or equivalent technical qualification in Computer Science,
• Engineering or a related subject
• 7 to 10 years of proven software development experience in iOS development
• Experience in mentoring iOS developers
• Must experience with Swift
• Experience with Objective-C is a plus
• Experience working with remote data via REST and JSON must
• Experience with API integration, Third-party SDKs, Charts, Payment Gateway, Sockets is a plus
• Experience in HLD, LLD designing must
• Solid understanding of the full mobile development life cycle.
• Mobile Application security standards is a plus
• Experience in mobile app architecture, frameworks, design patterns must
• Experience in writing Unit Test cases is a plus
• Experience in performance measurement of application is plus
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Experience in using JIRA, TFS
• Experience of CI/CD pipeline with tools used for Code coverage, code bugs identification, test automation, GIT
• Experience in Firebase Crashlytics, Application Performance must
• Experience in driving scrum team and follow agile practices
• Fundamental knowledge of the BFSI sector is a plus
• Strong communication skills
• Project Estimation & Planning